6880724 has 6 divisors (see below), whose sum is σ = 12041274. Its totient is φ = 3440360.

The previous prime is 6880721. The next prime is 6880771. The reversal of 6880724 is 4270886.

It can be written as a sum of positive squares in only one way, i.e., 3880900 + 2999824 = 1970^2 + 1732^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6880721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 860087 + ... + 860094.

It is an arithmetic number, because the mean of its divisors is an integer number (2006879).

Almost surely, 2^6880724 is an apocalyptic number.

It is an amenable number.

6880724 is a deficient number, since it is larger than the sum of its proper divisors (5160550).

6880724 is a wasteful number, since it uses less digits than its factorization.

6880724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1720185 (or 1720183 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 6880724 is about 2623.1134172963. The cubic root of 6880724 is about 190.2003795506.

The spelling of 6880724 in words is "six million, eight hundred eighty thousand, seven hundred twenty-four".